[llvm] [nvptx] Fix autoupdater's intrinsic matcher (PR #73330)

[Nikita Popov via llvm-commits]

https://github.com/nikic approved this pull request.

LGTM. I guess that means that this is effectively dead code, but it's probably safer to just keep it.

https://github.com/llvm/llvm-project/pull/73330